As with anything in life the best way to solve a problem is to know why it happened in the first place.
Moss on metal roof.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
Hose off and brush all moss loose from your roof shingles.
Other roof cleanig procedures such as power washing or sweeping are discussed and are not recommended.
Metal roofs are highly functional and extremely durable but that doesn t mean that they are not susceptible to damage from moss.
Metal roofs if pitched adequately rarely accumulate moss.
The seams between the shingles and the shingles edges also develop moss because they tend to be especially shaded.
Carefully place a ladder near the area of moss.
Moss is most problematic on composition roofs which are the most commonly installed roofs in this region.
However this is offset by the fact that a metal roof will rarely need to be replaced.
Moss does not stick to metal.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
I find moss growth starts within a few years of installing a new composition roof.
Often on a metal roof the organic material that moss attaches to is pollen from nearby trees decomposing leaves or even bird droppings.
Moss attaches itself to any organic material that is available and uses this as its anchor or base for growing.
If your moss problem requires more than.
Some people falsely believe that moss cannot grow on metal roofing but moss can grow on steel.
Apply a storebought or diy cleaning solution to remove the moss.
Roof treatments to prevent or remove lichens moss include use of metal flashing strips algae resistant shingles or chemical treatments.
This thin layer on the top of the shingles expands and becomes wide thick and mat like.
Amazingly you can see this happening on metal that seems to have no dirt on it.
Hose off and brush all moss loose from your roof shingles.
Moss on a roof begins with a thin dusting of green that you may notice only from low angles.
The biggest difference that you ll find is that metal roofs don t tend to stain from blue green algae or grow moss as frequently otherwise you ll see the same types of dirt.
If you re intending on keeping your house for many years the costs could end up around the same.
Unfortunately the main problem is that a metal roof will cost a great deal more than a new shingle roof.